When tried to set break points through the code and debug, <div>got debugger and shell crash.</div><div><br></div><div>exit:{'Exit',<0.76.0>,{port_handler,#Port,0.2433>,badsig}}</div><div>Reason:{'Exit',{gs_kernel_died,{port_handler,#Port<0.2433>,badsig}}}</div>